CA2219896A1 - Method for manufacturing porous fluoropolymer films - Google Patents

Method for manufacturing porous fluoropolymer films Download PDF

Info

Publication number
CA2219896A1
CA2219896A1 CA002219896A CA2219896A CA2219896A1 CA 2219896 A1 CA2219896 A1 CA 2219896A1 CA 002219896 A CA002219896 A CA 002219896A CA 2219896 A CA2219896 A CA 2219896A CA 2219896 A1 CA2219896 A1 CA 2219896A1
Authority
CA
Canada
Prior art keywords
film
sintering
fluoropolymer
ptfe
unsintered
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
CA002219896A
Other languages
English (en)
French (fr)
Inventor
Donald Shannon
Chris Kuo
Robert Peterson
Chris Mccollam
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Edwards Lifesciences Corp
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2219896A1 publication Critical patent/CA2219896A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/005—Shaping by stretching, e.g. drawing through a die; Apparatus therefor characterised by the choice of materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/006—Pressing and sintering powders, granules or fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
    • B29C43/24—Calendering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/12—Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
    • B29K2027/18—PTFE, i.e. polytetrafluorethene, e.g. ePTFE, i.e. expanded polytetrafluorethene
CA002219896A 1995-05-02 1996-05-01 Method for manufacturing porous fluoropolymer films Abandoned CA2219896A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/432,997 1995-05-02
US08/432,997 US5552100A (en) 1995-05-02 1995-05-02 Method for manufacturing porous fluoropolymer films

Publications (1)

Publication Number Publication Date
CA2219896A1 true CA2219896A1 (en) 1996-11-07

Family

ID=23718433

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002219896A Abandoned CA2219896A1 (en) 1995-05-02 1996-05-01 Method for manufacturing porous fluoropolymer films

Country Status (7)

Country Link
US (1) US5552100A (ja)
EP (1) EP0823924B1 (ja)
JP (2) JP4094056B2 (ja)
CA (1) CA2219896A1 (ja)
DE (1) DE69630521T2 (ja)
ES (1) ES2210368T3 (ja)
WO (1) WO1996034911A1 (ja)

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5776343A (en) * 1995-08-03 1998-07-07 Applied Extrusion Technologies, Inc. Fluoroplastic apertured film fabric, structures employing same and method of making same
US5814405A (en) * 1995-08-04 1998-09-29 W. L. Gore & Associates, Inc. Strong, air permeable membranes of polytetrafluoroethylene
US6103172A (en) * 1998-04-07 2000-08-15 Pall Corporation Method of preparaing a porous polytetrafluoroethylene membranne
US7998213B2 (en) 1999-08-18 2011-08-16 Intrinsic Therapeutics, Inc. Intervertebral disc herniation repair
US8323341B2 (en) 2007-09-07 2012-12-04 Intrinsic Therapeutics, Inc. Impaction grafting for vertebral fusion
WO2009033100A1 (en) 2007-09-07 2009-03-12 Intrinsic Therapeutics, Inc. Bone anchoring systems
US6936072B2 (en) 1999-08-18 2005-08-30 Intrinsic Therapeutics, Inc. Encapsulated intervertebral disc prosthesis and methods of manufacture
US7553329B2 (en) 1999-08-18 2009-06-30 Intrinsic Therapeutics, Inc. Stabilized intervertebral disc barrier
US7972337B2 (en) 2005-12-28 2011-07-05 Intrinsic Therapeutics, Inc. Devices and methods for bone anchoring
WO2004100841A1 (en) 1999-08-18 2004-11-25 Intrinsic Therapeutics, Inc. Devices and method for augmenting a vertebral disc nucleus
US7220281B2 (en) 1999-08-18 2007-05-22 Intrinsic Therapeutics, Inc. Implant for reinforcing and annulus fibrosis
US20040010317A1 (en) 1999-08-18 2004-01-15 Gregory Lambrecht Devices and method for augmenting a vertebral disc
US7717961B2 (en) 1999-08-18 2010-05-18 Intrinsic Therapeutics, Inc. Apparatus delivery in an intervertebral disc
JP4247519B2 (ja) 1999-08-18 2009-04-02 イントリンジック セラピューティックス インコーポレイテッド 髄核オーグメンテーションおよび保定のための装置および方法
US6923927B2 (en) * 2000-10-03 2005-08-02 Atrium Medical Corporation Method for forming expandable polymers having drugs or agents included therewith
US6616876B1 (en) 2000-10-03 2003-09-09 Atrium Medical Corporation Method for treating expandable polymer materials
US6613203B1 (en) 2001-09-10 2003-09-02 Gore Enterprise Holdings Ion conducting membrane having high hardness and dimensional stability
US6790213B2 (en) 2002-01-07 2004-09-14 C.R. Bard, Inc. Implantable prosthesis
US6863852B1 (en) * 2002-05-30 2005-03-08 Zeus Industrial Products, Inc. Fluoropolymer extrusions based on novel combinations of process parameters and clay minerals
US7211210B2 (en) * 2003-01-16 2007-05-01 Textiles Coated International Dry fibrillated PTFE film and its method of manufacture
DK1638485T3 (da) 2003-06-20 2011-05-02 Intrinsic Therapeutics Inc Indretning til levering af et implantat gennem en ringformet defekt i en intervertebralskive
JP2005298554A (ja) * 2004-04-07 2005-10-27 Sumitomo Electric Ind Ltd 膜厚方向に弾性回復性を有する延伸ポリテトラフルオロエチレン多孔質膜、その製造方法、及び該多孔質膜の使用
US7922946B2 (en) * 2004-11-24 2011-04-12 Donaldson Company, Inc. PTFE membrane
US20060233990A1 (en) * 2005-04-13 2006-10-19 Trivascular, Inc. PTFE layers and methods of manufacturing
US20060233991A1 (en) 2005-04-13 2006-10-19 Trivascular, Inc. PTFE layers and methods of manufacturing
TWI317363B (en) * 2005-05-31 2009-11-21 Univ Chung Yuan Christian Composite membranes containing polytetrafluoroethylene and method for forming the same
JP5204384B2 (ja) * 2006-05-19 2013-06-05 富士フイルム株式会社 結晶性ポリマー微孔性膜とその製造方法、および濾過用フィルター
JP5037087B2 (ja) * 2006-10-31 2012-09-26 日本バルカー工業株式会社 多孔質ｐｔｆｅ層の形成方法、ならびにこの形成方法により得られる多孔質ｐｔｆｅ層および成型品
US8066755B2 (en) 2007-09-26 2011-11-29 Trivascular, Inc. System and method of pivoted stent deployment
US8663309B2 (en) 2007-09-26 2014-03-04 Trivascular, Inc. Asymmetric stent apparatus and method
US8226701B2 (en) 2007-09-26 2012-07-24 Trivascular, Inc. Stent and delivery system for deployment thereof
CN101917929A (zh) 2007-10-04 2010-12-15 特里瓦斯库拉尔公司 用于低型面经皮递送的模块化脉管移植物
US8083789B2 (en) 2007-11-16 2011-12-27 Trivascular, Inc. Securement assembly and method for expandable endovascular device
US8328861B2 (en) 2007-11-16 2012-12-11 Trivascular, Inc. Delivery system and method for bifurcated graft
US7942275B2 (en) * 2008-07-08 2011-05-17 Bha Group, Inc. Expanded PFTE membrane and method of making
JP4937977B2 (ja) * 2008-09-02 2012-05-23 富士フイルム株式会社 結晶性ポリマー微孔性膜及びその製造方法、並びに濾過用フィルタ
EP2344049B1 (en) 2008-10-03 2021-01-27 C.R.Bard, Inc. Implantable prosthesis
JP6203639B2 (ja) 2011-01-28 2017-09-27 メリット・メディカル・システムズ・インコーポレイテッドＭｅｒｉｔ Ｍｅｄｉｃａｌ Ｓｙｓｔｅｍｓ，Ｉｎｃ． 電界紡糸されたｐｔｆｅでコーティングされたステントおよび使用方法
JP2013101776A (ja) * 2011-11-07 2013-05-23 Nitto Denko Corp 絶縁層被覆電線
CN104114201A (zh) 2012-01-16 2014-10-22 美国医疗设备有限公司 被旋转纺丝材料覆盖的医疗器械和制造方法
US8992595B2 (en) 2012-04-04 2015-03-31 Trivascular, Inc. Durable stent graft with tapered struts and stable delivery methods and devices
US9498363B2 (en) 2012-04-06 2016-11-22 Trivascular, Inc. Delivery catheter for endovascular device
US10507268B2 (en) 2012-09-19 2019-12-17 Merit Medical Systems, Inc. Electrospun material covered medical appliances and methods of manufacture
US9198999B2 (en) 2012-09-21 2015-12-01 Merit Medical Systems, Inc. Drug-eluting rotational spun coatings and methods of use
JP5602213B2 (ja) * 2012-11-28 2014-10-08 日東電工株式会社 巻回体およびフィルタ用濾材
EP3988278A1 (en) * 2013-03-13 2022-04-27 Merit Medical Systems, Inc. Serially deposited fiber materials and associated devices and methods
US9827703B2 (en) 2013-03-13 2017-11-28 Merit Medical Systems, Inc. Methods, systems, and apparatuses for manufacturing rotational spun appliances
US10028852B2 (en) 2015-02-26 2018-07-24 Merit Medical Systems, Inc. Layered medical appliances and methods
KR20200014342A (ko) * 2017-05-31 2020-02-10 닛토덴코 가부시키가이샤 폴리테트라플루오로에틸렌 다공질막
JP6590350B1 (ja) * 2018-11-15 2019-10-16 有限会社ヤマカツラボ 未焼成ポリテトラフルオロエチレンフィルム及びその多孔質膜の製造方法
EP3657051B1 (en) * 2018-11-21 2021-06-30 W.L. Gore & Associates, Inc. Sealing element and method of manufacture of a sealing element

Family Cites Families (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE289881C (ja) *
CH509698A (de) * 1970-04-29 1971-06-30 Holzer Patent Ag Einrichtung zur Steuerung der Leistung von an einem Wechselstromnetz liegenden elektrischen Verbrauchern
SE392582B (sv) * 1970-05-21 1977-04-04 Gore & Ass Forfarande vid framstellning av ett porost material, genom expandering och streckning av en tetrafluoretenpolymer framstelld i ett pastabildande strengsprutningsforfarande
US3962153A (en) * 1970-05-21 1976-06-08 W. L. Gore & Associates, Inc. Very highly stretched polytetrafluoroethylene and process therefor
CA980967A (en) * 1971-02-03 1976-01-06 Takayuki Katto Process for producing porous articles of polytetrafluoroethylene
JPS53261A (en) * 1976-06-24 1978-01-05 Daikin Ind Ltd Method of producing high conductive tetrafluoroethylene resin sheet
US4110392A (en) * 1976-12-17 1978-08-29 W. L. Gore & Associates, Inc. Production of porous sintered PTFE products
US4153661A (en) * 1977-08-25 1979-05-08 Minnesota Mining And Manufacturing Company Method of making polytetrafluoroethylene composite sheet
JPS5949889B2 (ja) * 1977-10-26 1984-12-05 日本石油化学株式会社 弗素樹脂フイルム又はシ−トのロ−ル加工方法
DE2947743C2 (de) * 1978-11-30 1983-12-08 Sumitomo Electric Industries, Ltd., Osaka Einheitliches, poröses röhrenförmiges Gebilde aus Polytetrafluoräthylen
JPS5825368B2 (ja) * 1979-02-14 1983-05-27 日東電工株式会社 多孔質ポリテトラフルオロエチレンフィルムの製造法
JPS5727507A (en) * 1980-07-25 1982-02-13 Furukawa Electric Co Ltd Polyolefin film for electric insulation and method of producing same
JPS5751450A (en) * 1980-09-13 1982-03-26 Junkosha Co Ltd Baked drawn porous tetrafluoroethylene resin laminate and its manufacture
US4478665A (en) * 1980-11-06 1984-10-23 W. L. Gore & Associates, Inc. Method for manufacturing highly porous, high strength PTFE articles
US4565663A (en) * 1981-06-26 1986-01-21 Minnesota Mining And Manufacturing Company Method for making water-swellable composite sheet
US4826725A (en) * 1982-08-23 1989-05-02 Carlisle Corporation Manufacture of low density, sintered polytetrafluorethylene articles
FI77880C (fi) * 1982-09-10 1989-05-10 Gore & Ass Poroest material bestaoende vaesentligen av en ptfe-polymer.
US4482516A (en) * 1982-09-10 1984-11-13 W. L. Gore & Associates, Inc. Process for producing a high strength porous polytetrafluoroethylene product having a coarse microstructure
JPS59109534A (ja) * 1982-12-14 1984-06-25 Nitto Electric Ind Co Ltd ポリテトラフルオロエチレン多孔質体
JPS61293830A (ja) * 1985-06-21 1986-12-24 Nippon Valqua Ind Ltd ポリテトラフルオロエチレン製多孔質膜の製造方法
JPS62152470A (ja) * 1985-12-24 1987-07-07 住友電気工業株式会社 管状臓器補綴材
EP0238076B1 (en) * 1986-03-18 1992-10-21 Asahi Kasei Kogyo Kabushiki Kaisha A shaped article of an oriented tetrafluoroethylene polymer
US5071609A (en) * 1986-11-26 1991-12-10 Baxter International Inc. Process of manufacturing porous multi-expanded fluoropolymers
US4945125A (en) * 1987-01-05 1990-07-31 Tetratec Corporation Process of producing a fibrillated semi-interpenetrating polymer network of polytetrafluoroethylene and silicone elastomer and shaped products thereof
US4877661A (en) * 1987-10-19 1989-10-31 W. L. Gore & Associates, Inc. Rapidly recoverable PTFE and process therefore
US4902423A (en) * 1989-02-02 1990-02-20 W. L. Gore & Associates, Inc. Highly air permeable expanded polytetrafluoroethylene membranes and process for making them
US5098625A (en) * 1989-03-14 1992-03-24 Yeu Ming Tai Chemical Industrial Co., Ltd. Process for forming an expanded porous tetrafluoroethylene polymer
US4985296A (en) * 1989-03-16 1991-01-15 W. L. Gore & Associates, Inc. Polytetrafluoroethylene film
AT391473B (de) * 1989-04-06 1990-10-10 Chemiefaser Lenzing Ag Monoaxial verstreckter formkoerper aus polytetrafluoraethylen und verfahren zu seiner herstellung
DE3911218A1 (de) * 1989-04-07 1990-10-11 Bayer Ag Verfahren zur herstellung optisch isotroper extrusionsfolien
US5234751A (en) * 1989-09-12 1993-08-10 Sumitomo Electric Industries, Ltd. Porous material of polytetrafluoroethylene and process for producing the same
CA2025090C (en) * 1989-09-12 1997-06-24 Akira Harada Porous material of polytetrafluoroethylene and process for producing the same
US4997608A (en) * 1989-10-06 1991-03-05 Massachusetts Institute Of Technology Molding polytetrafluoroethylene
FR2662632B1 (fr) * 1990-05-30 1992-10-30 Plastic Omnium Cie Procede pour la realisation de tubes minces en resine fluoree notamment en polytetrafluorethylene.
DE4035476C2 (de) * 1990-11-08 1996-10-17 Troester Maschf Paul Extruder-Kalander-Kombination
CA2074349C (en) * 1991-07-23 2004-04-20 Shinji Tamaru Polytetrafluoroethylene porous film and preparation and use thereof
US5281475A (en) * 1991-10-17 1994-01-25 W. L. Gore & Associates, Inc. Continuous polytetrafluoroethylene fibers
JPH07196831A (ja) * 1993-12-28 1995-08-01 Japan Gore Tex Inc ポリテトラフルオロエチレン多孔膜とその製造方法
US5476589A (en) * 1995-03-10 1995-12-19 W. L. Gore & Associates, Inc. Porpous PTFE film and a manufacturing method therefor

Also Published As

Publication number Publication date
JP2006144028A (ja) 2006-06-08
JP4094056B2 (ja) 2008-06-04
ES2210368T3 (es) 2004-07-01
EP0823924B1 (en) 2003-10-29
DE69630521D1 (de) 2003-12-04
WO1996034911A1 (en) 1996-11-07
US5552100A (en) 1996-09-03
JP4350095B2 (ja) 2009-10-21
EP0823924A1 (en) 1998-02-18
DE69630521T2 (de) 2004-08-12
JPH11511707A (ja) 1999-10-12

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued